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/*
* $ProjectName$
* $ProjectRevision$
* -----------------------------------------------------------
* $Id$
* -----------------------------------------------------------
*
* $Author$
*
* Description:
*
* Copyright 2002-2003 Tor-Einar Jarnbjo
* -----------------------------------------------------------
*
* Change History
* -----------------------------------------------------------
* $Log$
* Revision 1.1 2005/07/11 15:42:36 hcl
* Songdb java version, source. only 1.5 compatible
*
* Revision 1.1.1.1 2004/04/04 22:09:12 shred
* First Import
*
* Revision 1.2 2003/03/16 01:11:12 jarnbjo
* no message
*
*
*/
package de.jarnbjo.vorbis;
import java.io.*;
import java.util.*;
import de.jarnbjo.util.io.BitInputStream;
/**
*/
public class CommentHeader {
public static final String TITLE = "TITLE";
public static final String ARTIST = "ARTIST";
public static final String ALBUM = "ALBUM";
public static final String TRACKNUMBER = "TRACKNUMBER";
public static final String VERSION = "VERSION";
public static final String PERFORMER = "PERFORMER";
public static final String COPYRIGHT = "COPYRIGHT";
public static final String LICENSE = "LICENSE";
public static final String ORGANIZATION = "ORGANIZATION";
public static final String DESCRIPTION = "DESCRIPTION";
public static final String GENRE = "GENRE";
public static final String DATE = "DATE";
public static final String LOCATION = "LOCATION";
public static final String CONTACT = "CONTACT";
public static final String ISRC = "ISRC";
private String vendor;
private HashMap comments=new HashMap();
private boolean framingBit;
private static final long HEADER = 0x736962726f76L; // 'vorbis'
public CommentHeader(BitInputStream source) throws VorbisFormatException, IOException {
if(source.getLong(48)!=HEADER) {
throw new VorbisFormatException("The identification header has an illegal leading.");
}
vendor=getString(source);
int ucLength=source.getInt(32);
for(int i=0; i<ucLength; i++) {
String comment=getString(source);
int ix=comment.indexOf('=');
String key=comment.substring(0, ix);
String value=comment.substring(ix+1);
//comments.put(key, value);
addComment(key, value);
}
framingBit=source.getInt(8)!=0;
}
private void addComment(String key, String value) {
key = key.toUpperCase(); // Comment keys are case insensitive
ArrayList al=(ArrayList)comments.get(key);
if(al==null) {
al=new ArrayList();
comments.put(key, al);
}
al.add(value);
}
public String getVendor() {
return vendor;
}
public String getComment(String key) {
ArrayList al=(ArrayList)comments.get(key);
return al==null?(String)null:(String)al.get(0);
}
public String[] getComments(String key) {
ArrayList al=(ArrayList)comments.get(key);
return al==null?new String[0]:(String[])al.toArray(new String[al.size()]);
}
public String getTitle() {
return getComment(TITLE);
}
public String[] getTitles() {
return getComments(TITLE);
}
public String getVersion() {
return getComment(VERSION);
}
public String[] getVersions() {
return getComments(VERSION);
}
public String getAlbum() {
return getComment(ALBUM);
}
public String[] getAlbums() {
return getComments(ALBUM);
}
public String getTrackNumber() {
return getComment(TRACKNUMBER);
}
public String[] getTrackNumbers() {
return getComments(TRACKNUMBER);
}
public String getArtist() {
return getComment(ARTIST);
}
public String[] getArtists() {
return getComments(ARTIST);
}
public String getPerformer() {
return getComment(PERFORMER);
}
public String[] getPerformers() {
return getComments(PERFORMER);
}
public String getCopyright() {
return getComment(COPYRIGHT);
}
public String[] getCopyrights() {
return getComments(COPYRIGHT);
}
public String getLicense() {
return getComment(LICENSE);
}
public String[] getLicenses() {
return getComments(LICENSE);
}
public String getOrganization() {
return getComment(ORGANIZATION);
}
public String[] getOrganizations() {
return getComments(ORGANIZATION);
}
public String getDescription() {
return getComment(DESCRIPTION);
}
public String[] getDescriptions() {
return getComments(DESCRIPTION);
}
public String getGenre() {
return getComment(GENRE);
}
public String[] getGenres() {
return getComments(GENRE);
}
public String getDate() {
return getComment(DATE);
}
public String[] getDates() {
return getComments(DATE);
}
public String getLocation() {
return getComment(LOCATION);
}
public String[] getLocations() {
return getComments(LOCATION);
}
public String getContact() {
return getComment(CONTACT);
}
public String[] getContacts() {
return getComments(CONTACT);
}
public String getIsrc() {
return getComment(ISRC);
}
public String[] getIsrcs() {
return getComments(ISRC);
}
private String getString(BitInputStream source) throws IOException, VorbisFormatException {
int length=source.getInt(32);
byte[] strArray=new byte[length];
for(int i=0; i<length; i++) {
strArray[i]=(byte)source.getInt(8);
}
return new String(strArray, "UTF-8");
}
}
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